10) The human X and Y chromosomesA) are both present in every somatic cell of males and females alike.B) are of approximately equal size and number of genes.C) are almost entirely homologous, despite their different names.D) include genes that determine an individualʹs sex.E) include only genes that govern sex determination.
11) Which of the following istrueof a species that has a chromosome number of 2n=16?
12) Eukaryotic sexual life cycles show tremendous variation. Of the following elements, which doallsexual lifecycles have in common?I.Alternation of generationsII.MeiosisIII. FertilizationIV. GametesV.Spores
13) Which of these statements isfalse?